Cannot Send Or Receive A Fax Via Optical Line - Canon imageCLASS MF269dw II User Manual

Cannot Send or Receive a Fax via Optical Line

The machine conforms to analog line standards, and sending and receiving of faxes via optical line cannot be
guaranteed. You may be able to perform operations via optical line, so use the following steps:
Check the Optical Line Provider.
Check with the optical line provider that the following two items are guaranteed:
● Call quality equivalent to analog line level
● Guaranteed operation of Super G3 (fax communication standard)
Lower the Communication Start Speed and Check the Sending and Receiving Status.
Use the following procedure to lower the communication start speed in phases and check whether you can
send and receive faxes:
Cannot Send a Fax
Log in to Remote UI in System Manager Mode
[Edit] in [TX Start Speed], select the speed
On the control panel, select [Menu] in the [Home] screen, and then select [Function Settings] to configure the
settings. [TX Start Speed](P. 495)
Cannot Receive a Fax
Log in to Remote UI in System Manager Mode
RX Settings] [Edit] in [Basic Settings]
On the control panel, select [Menu] in the [Home] screen, and then select [Function Settings] to configure the
settings. [RX Start Speed](P. 502)
Troubleshooting
[Settings/Registration]
[OK]
[Settings/Registration]
in [RX Start Speed], select the speed
619
[TX Settings] [Fax TX Settings]
[RX/Forwarding Settings]
[OK]
8W0J-0H3
[Fax